Different Types Of Wood, Metal, Polymers And Smart Materials

Question 1

Name 4 softwoods and hardwoods

Answer 1

• Spruce, balsa, redwood and pine
• Oak, mahogany, ash and beech

Question 2

Name 3 manufactured boards

Answer 2

• Plywood,
• chipboard,
• MDF

Question 3

Name 3 ferrous, non-ferrous and alloy metals

Answer 3

• Cast iron, low carbon steel and high carbon steel
• Aluminium, copper and zinc
• Brass, high speed steel, stainless steel

Question 4

Name 3 thermoforming and thermosetting polymers

Answer 4

• Polypropylene, acrylic and polyvinyl chloride
• Urea formaldehyde, epoxy resin, polyester resin

Question 5

What are the 4 categories of smart materials

Answer 5

• Piezoelectric,
• thermochromic,
• photochromic,
• phosphorescent